Neuropsychological Evaluation Staff

We are a team of dedicated professionals performing neuropsychological evaluation
John W. Largen, Ph.D.

John W. Largen, Ph.D.

Clinical Neuropsychologist

Neuropsychological Evaluation Staff – John Largen, Ph.D. is as clinical neuropsychologist in private practice who has practiced in Houston for 30+ years. He is a graduate of Rutgers College and completed his Ph.D. in Clinical Neuropsychology from the University of Houston. He has evaluated hundreds of patients with a wide variety of neurological disorders for the medical community. He is a founding member of the Houston Neuropsychological Society and is listed in the National Register of Health Services Providers in Psychology.

Leticia Duarte, B.A.

Leticia Duarte, B.A.

Neuropsychology Technician

Neuropsychological Evaluation Staff – Leticia Duarte is our neuropsychology technician at John Largen & Associates. Leticia graduated from the University of Houston with a Bachelor’s degree in Psychology. While completing her degree at UH, she became involved in a large multi-center research project correlating behavior, cognitive functioning, and genetics in adolescent twins. Leticia participated in the cognitive assessment component of this research. She continues to be quite interested in the field of psychology.

Leticia was born and raised in Houston and enjoys exploring new parts of the city. She likes to “binge watch” shows on Netflix with her puppy, Leia. Leticia enjoys listening to music and going to concerts to see live performances of her favorite musical artists. She also loves to travel and try new restaurants.

Neuropsychological Evaluation Staff
Neuropsychological Evaluation Staff
Neuropsychological Evaluation Staff

Our Office

We recently moved the team to Clear Lake. Here are some images of our office.

Neuropsychological Testing Services- Neurologist Houston, TX
Neuropsychological Testing Services- Neurologist Houston, TX
Neuropsychological Testing Services- Neurologist Houston, TX
Neuropsychological Testing Services- Neurologist Houston, TX
Neuropsychological Testing Services- Neurologist Houston, TX
Neuropsychologist - Neuropsychological Testing by Houston Clinical Neuropsychologist John Largen, Ph.D. - Houston Neuropsychological Testing Services.

John Largen & Associates, Inc.
1100 Nasa Parkway, Suite 403
Houston, Texas 77058

Office Hours
Monday through Friday
9:00 am to 5:00 pm

To make an appointment or ask a question:

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